29 August 2005 SiC-SiC composites for optical applications
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Abstract
SiC optics has been considered for a very long time. Today, there are a few military and commercial applications. Future imaging and energy transfer applications require robustness on a par with metallic systems. Intrinsic, low fracture toughness of several classes of monolithic SiC is the key impediment in these applications. A new form of SiC-SiC composite for optical applications has been developed. It features high modulus combined with high fracture toughness. This new, highly innovative technology offers the potential in demanding government applications, as well as large surveillance optics (increased toughness can translate into lower aerial density) and high energy commercial lasers. SiC-SIC is a novel technology for optical structures consisting of integrated composite materials and structures which exhibits excellent fracture toughness and homogeneous CTE.
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Witold Kowbel, Rigel Woida, J. C. Withers, "SiC-SiC composites for optical applications", Proc. SPIE 5868, Optical Materials and Structures Technologies II, 586808 (29 August 2005); doi: 10.1117/12.617951; https://doi.org/10.1117/12.617951
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